Founded in 1896 by twins Edward and Percy Simmons, Simmons & Simmons is a leading international law firm known for combining deep legal expertise with forward-thinking innovation. With a legacy of over a century, the firm has continuously evolved to meet the changing needs of its clients, using cutting-edge technologies and industry insight to deliver smarter, more efficient legal solutions.

At Simmons & Simmons, collaboration is at the heart of everything we do. We don’t just offer legal advice—we act as trusted business partners, aligning our services with the goals and challenges of the industries we serve. Our focus spans highly regulated and complex sectors, including asset management and investment funds, financial institutions, healthcare and life sciences, technology, media and telecommunications (TMT), and energy, natural resources, infrastructure, and construction.

We pride ourselves on our ability to adapt, innovate, and lead. The firm’s dedication to reshaping legal services is exemplified by Simmons Wavelength, the world’s first regulated firm of legal engineers. By integrating legal professionals with data scientists, designers, and developers, Simmons Wavelength uses emerging technologies such as artificial intelligence (AI) and digital transformation tools to address legal challenges in new and impactful ways.

Our global team delivers comprehensive legal services across areas including corporate and M&A, finance, regulation, dispute resolution, data protection, fund formation, intellectual property, operational resilience, environmental, social and governance (ESG), and more. We understand the pressures of complex regulatory environments and work with clients to ensure not only legal compliance but also operational confidence and strategic success.

Simmons & Simmons is committed to giving clients control—over timing, budget, and outcomes. Through robust processes, cutting-edge legal tech, and continuous training, we ensure that our clients receive consistent, industry-specific advice that’s both practical and commercially focused.

With an eye on the future, Simmons & Simmons continues to be a pioneering force in the legal world—driven by innovation, shaped by technology, and grounded in over 125 years of legal excellence.